A loud, distorted earrape version of Sully's deep mmm hum from Monsters, Inc., used in meme edits for a sudden burst of comic emphasis over reaction clips.
This one-second clip takes Sully's low, thoughtful mmm from Monsters, Inc. and pushes it through heavy distortion until it becomes a loud, buzzing blast that still keeps the monster's warm, rumbling tone underneath. It starts almost like a hum of agreement, then swells into an earrape roar that feels deliberately too loud for the moment, which is exactly why it lands as a joke. Dropped over a surprised face, a bad decision, or a dramatic pause, it turns a quiet beat into an exaggerated punchline and makes the viewer brace, then laugh at the sheer excess.
Monsters, Inc. is Pixar's 2001 film about monsters who power their city by scaring children, and Sully, voiced by John Goodman, is its large, blue-furred hero. His low mmm is a small, thoughtful vocal tic from the film, the kind of sound that works perfectly when it is isolated and exaggerated. Online, creators began sharing blown-out, earrape versions of short character sounds on soundboards and in meme edits, where the joke is the contrast between a familiar, friendly character and an absurdly loud noise. That contrast is why this brief clip keeps circulating in reaction videos.